You expect to find the lowest overall blood pressure in
A. humans.
B. salmon.
C. alligators.
D. sparrows.
E. ostrich.
Answer: B
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In bog soils, the decomposition rate of lignin-cellulose complexes is accelerated by the water-logged, predominately anoxic conditions.
Answer the following statement true (T) or false (F)
The advantage of avian respiration over mammalian respiration is that _______________
a. there is a one way flow of air b. they have spiracles to control airflow c. they have air sacs that allow them to store oxygen d. they do not need to ventilate their lungs
According to the __________, the universe formed about 13 to 15 billion years ago and is still
expanding. Fill in the blank(s) with the appropriate word(s).
Leaves:a
represent a fairly small fraction of the overall metabolic budget for a plant. b. depend on the roots to supply CO2. c. are the main photosynthetic organ of most plants. d. are the main site of water uptake in plants. e. prevent CO2 and O2 from entering the plant.